Homebox S 

Manufacturer:  Homebox

This portable indoor greenhouse is lightweight, weighing only 20 pounds, yet can support up to 100 pounds of hanging equipment on the inside. The Homebox S is simple to assemble and doesn't require any tools! Illustrated instructions are easy to follow. 

The Homebox S (small) is a great alternative to building a permanent grow room. Ideal for using 250 watt (or smaller) HID growlights without built-in ballsts, or energy-saving compact fluorescents.

It has a metal structure frame with strong nylon push-lock corners for sturdiness. Once assembled, you have a grow tent enclosure that is completely sealed and virtually light proof.

The Homebox S is made from 100% Black-Out fabric with a water-proof white polyethylene foil inner lining for efficient light reflection. The tough canvas of the tent shell even provides fan and filter supports, plus an air vent sleeve for ducting fan exhaust.

The rugged top-to-bottom zipper, combined with the side-to-side zippers at the floor and roof, gives you easy access to the interior of your Homebox S. There's even a removable floor that's water-resistant and washable.

Openings:

Roof = 6-1/4"
Top Rear = 3-1/2"
Bottom Right = 5"

Dimensions: 31.5" wide x 31.5" deep x 63" tall
Weight: 20 lbs.

If you're using HID lighting, sufficient ventilation must be used to exhaust heat.

More info from the manufacturer (PDF format)